Grab bar



FIG. 1 is a perspective view of a grab bar showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken line showing of the two circular areas in FIG. 3 is includedfor the purpose of illustrating portions of the grab bar and forms nopart of the claimed design.

The ornamental design for a grab bar, as shown and described.